Mixing drum



FIG. 1 is a front perspective view of the claimed design;

FIG. 2 is a front view of the embodiment of FIG. 1;

FIG. 3 is a rear view of the embodiment of FIG. 1;

FIG. 4 is a left side view of the embodiment of FIG. 1;

FIG. 5 is a right side view of the embodiment of FIG. 1;

FIG. 6 is a top view of the embodiment of FIG. 1;

FIG. 7 is a bottom view of the embodiment of FIG. 1; and,

FIG. 8 is a front sectional view of FIG. 1 taken along line 8-8.

The ornamental design which is claimed is shown in solid lines in the figures. Broken lines are for illustrative purposes only and form no part of the claimed design. Broken lines formed by equal length dashes show unclaimed portions of the design. Broken lines formed of unequal length dashes (i.e. dash-dot) show boundaries between claimed and unclaimed portions of the design. Broken lines having a jagged element show that no particular length of the portion is claimed. 

CLAIM We claim the ornamental design for a mixing drum, as shown and described. 